/**
 * File Manager - Main Styles
 * Implements NeutralAiz Design System
 * Version: 2.0.0
 */

/* Import the design system variables first */
@import url('./styles/design-system-variables.css');

/* Legacy variable mappings for backward compatibility */
:root {
    /* Map old variables to new design system */
    --bg-main: var(--color-bg-primary);
    --bg-panel: var(--color-bg-secondary);
    --bg-card: var(--color-bg-tertiary);
    --border-color: var(--color-glass-border);
    --text-primary: var(--color-text-primary);
    --text-secondary: var(--color-text-secondary);
    --accent-blue: var(--color-accent-blue);
    --hover-overlay: var(--color-glass-bg-hover);
    --font-family: var(--font-family-primary);
    --font-mono: var(--font-family-mono);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    overflow-x: hidden;
}

/* App Container */
.app-container {
    min-height: 100vh;
    padding: var(--spacing-md);
}

.app-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.app-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.app-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

/* File Browser Container */
.file-browser-container {
    background: var(--color-glass-bg);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 600px;
    transition: all var(--transition-normal);
}

/* Header Bar */
.file-browser-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--color-glass-bg-heavy);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid var(--color-glass-border);
    min-height: var(--height-status-bar);
}

.breadcrumb-container {
    flex: 1;
    min-width: 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
}

.breadcrumb-item {
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
}

.breadcrumb-item:hover {
    background-color: var(--hover-overlay);
}

.breadcrumb-item.active {
    color: var(--accent-blue);
    background: var(--color-glass-bg-hover);
}

.breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-sm);
    color: var(--text-secondary);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Search Input */
.search-container {
    position: relative;
}

.search-input {
    background: var(--color-input-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-input-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    padding: var(--spacing-md) var(--spacing-2xl) var(--spacing-md) var(--spacing-lg);
    width: 200px;
    min-height: var(--height-input);
    transition: all var(--transition-fast);
    box-shadow: inset 0 1px 2px var(--color-black-20);
}

.search-input:focus-visible {
    outline: none;
    border-color: var(--color-glass-border-hover);
    background: var(--color-input-bg);  /* Keep dark on focus */
    box-shadow: 0 0 0 2px var(--color-glass-border), 
                inset 0 1px 2px var(--color-black-20);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-icon {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

/* View Toggle */
.view-toggle {
    display: flex;
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.view-btn {
    background: var(--color-glass-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--font-size-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
    width: var(--height-button);
    height: var(--height-button);
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:hover {
    background-color: var(--hover-overlay);
    color: var(--text-primary);
}

.view-btn.active {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
    color: var(--color-text-primary);
}

/* Upload Button */
.upload-btn {
    background: var(--color-button-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-button-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-xl);
    min-height: var(--height-button);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
    transition: all var(--transition-fast);
}

.upload-btn:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-accent-blue);
    box-shadow: 0 0 12px var(--color-accent-glow);
    transform: translateY(-1px);
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-glass-bg);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid var(--color-glass-border);
    min-height: var(--height-status-bar);
    position: relative;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.toolbar-btn {
    background: var(--color-button-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-button-border);
    border-radius: var(--radius-xs);
    color: var(--color-text-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-xl);
    min-height: var(--height-button);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
    transition: all var(--transition-fast);
}

.toolbar-btn:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
    transform: translateY(-1px);
}

.sort-select,
.filter-select {
    background: var(--color-input-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-input-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: var(--height-input);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
    transition: all var(--transition-fast);
    box-shadow: inset 0 1px 2px var(--color-black-20);
}

.sort-select:focus-visible,
.filter-select:focus-visible {
    outline: none;
    border-color: var(--color-glass-border-hover);
    background: var(--color-input-bg);  /* Keep dark on focus */
    box-shadow: 0 0 0 2px var(--color-glass-border),
                inset 0 1px 2px var(--color-black-20);
}

.sort-select option,
.filter-select option {
    background: var(--color-bg-primary);  /* Use darkest background for dropdown options */
    color: var(--color-text-primary);
    padding: var(--spacing-md);
}

/* Selection Actions */
.selection-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

#selection-count {
    color: var(--text-secondary);
    font-size: 13px;
}

.action-btn {
    background: var(--color-button-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-button-border);
    border-radius: var(--radius-xs);
    color: var(--color-text-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-md) var(--spacing-xl);
    min-height: var(--height-button);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
    transform: translateY(-1px);
}

.action-btn.danger:hover {
    background: var(--color-error);
    border-color: var(--color-error);
}

/* File Display Area */
.file-display-area {
    flex: 1;
    min-height: 400px;
    position: relative;
}

/* Loading Indicator */
.loading-indicator {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--color-overlay-dark);
    backdrop-filter: blur(var(--blur-xl));
    -webkit-backdrop-filter: blur(var(--blur-xl));
    gap: var(--spacing-lg);
    z-index: 100;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-glass-border);
    border-top: 3px solid var(--color-accent-blue);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    margin-top: 8px;
}

/* File Grid */
.file-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-md);
    padding: 0;
}

/* File List */
.file-list {
    display: flex;
    flex-direction: column;
    padding: 0;
}

/* List View Table Structure */
.file-list-header {
    display: flex;
    align-items: center;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px 4px 0 0;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    width: 100%;
}

.file-list-body {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.header-cell {
    display: flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-sm);
    user-select: none;
}

.header-cell.sortable {
    cursor: pointer;
    transition: color 0.2s ease;
}

.header-cell.sortable:hover {
    color: var(--color-text-primary);
}

.header-checkbox {
    width: 40px;
    flex-shrink: 0;
}

.header-thumbnail {
    width: 50px;
    flex-shrink: 0;
}

.header-label {
    display: inline-block;
}

.sort-icon {
    margin-left: 4px;
    display: inline-block;
    transition: opacity 0.2s ease;
}

/* File Card (Grid View) */
.file-card {
    background: var(--color-glass-bg);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-fast);
    position: relative;
    height: auto;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
}

.file-card:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.file-card.selected {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
}

/* Thumbnail */
.file-thumbnail {
    height: 64px;
    background: var(--color-container-4);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-xs);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-glass-border);
}

.file-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.file-card:hover .file-thumbnail img {
    transform: scale(1.05);
}

.file-icon {
    font-size: 32px;
    color: var(--color-text-secondary);
}

/* File Info */
.file-info {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.file-name {
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--color-text-secondary);
}

.file-size {
    color: var(--color-text-secondary);
}

.file-type-badge {
    background: var(--color-glass-bg-hover);
    border: 1px solid var(--color-glass-border-hover);
    border-radius: var(--radius-xs);
    color: var(--color-accent-blue-light);
    font-size: 10px;
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-xs) var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
}

/* File Row (List View) */
.file-row {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    margin-bottom: 2px;
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all 0.2s ease;
    min-height: 48px;
    width: 100%;
}

.file-row:hover {
    background-color: var(--hover-overlay);
    border-color: var(--accent-blue);
}

.file-row.selected {
    background: var(--color-glass-bg-hover);
    border-color: var(--accent-blue);
}

/* Row Cells (List View) */
.row-cell {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-xs);
}

.row-cell.row-checkbox {
    justify-content: center;
}

.row-cell.row-name {
    font-weight: 500;
}

.file-row .file-thumbnail {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    margin: 0;
    background: transparent;
}

.file-row .file-icon {
    font-size: 20px;
}

.file-row .file-name {
    color: var(--text-primary);
    font-size: 13px;
}

.file-row .file-size {
    font-size: 12px;
    color: var(--text-secondary);
}

.file-row .file-date {
    font-size: 12px;
    color: var(--text-secondary);
}

.file-row .file-type-badge {
    font-size: 10px;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    gap: var(--spacing-lg);
    color: var(--color-text-secondary);
}

.empty-icon {
    font-size: 48px;
    opacity: 0.5;
}

.empty-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
    color: var(--color-text-primary);
}

.empty-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: var(--spacing-md);
    }
    
    .file-browser-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .header-controls {
        justify-content: space-between;
    }
    
    .search-input {
        width: 150px;
    }
    
    .toolbar {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: stretch;
    }
    
    .toolbar-left {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .file-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (max-width: 480px) {
    .file-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .file-card {
        height: 160px;
    }
    
    .file-thumbnail {
        height: 90px;
    }
}

/* Checkbox for selection */
.file-checkbox {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    width: 16px;
    height: 16px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.file-card:hover .file-checkbox,
.file-row:hover .file-checkbox {
    opacity: 1;
}

.file-checkbox input[type="checkbox"] {
    width: 100%;
    height: 100%;
    cursor: pointer;
    accent-color: var(--accent-blue);
}

/* Duration overlay for media files */
.duration-overlay {
    position: absolute;
    bottom: var(--spacing-xs);
    right: var(--spacing-xs);
    background-color: var(--color-overlay-dark);
    color: white;
    font-size: 10px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 3px;
}

/* Play button overlay */
.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--color-accent-blue);
    opacity: 0.9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.file-card:hover .play-overlay {
    opacity: 1;
}

/* Hover Actions */
.hover-actions, .hover-actions-danger, .hover-actions-edit, .hover-actions-primary {
    position: absolute;
    display: none;
    background: var(--color-glass-bg-heavy);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    pointer-events: auto;
    z-index: var(--z-dropdown);
}

.hover-actions-primary {
    top: 8px;
    left: 8px;
}

.hover-actions {
    top: 8px;
    right: 8px;
}

.hover-actions-edit {
    bottom: 8px;
    right: 8px;
}

.hover-actions-danger {
    bottom: 8px;
    left: 8px;
}

.file-card:hover .hover-actions,
.file-card:hover .hover-actions-danger,
.file-card:hover .hover-actions-edit,
.file-card:hover .hover-actions-primary,
.file-row:hover .hover-actions,
.file-row:hover .hover-actions-danger,
.file-row:hover .hover-actions-edit,
.file-row:hover .hover-actions-primary {
    display: flex;
}

.hover-action {
    background: transparent;
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hover-action:hover {
    background: var(--color-white-10);
}

.hover-action.danger:hover {
    background: var(--color-error);
}

.hover-action.primary:hover {
    background: var(--color-info);
}

/* List View / Table Styles */
.file-row {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: 48px;
    border-bottom: 1px solid var(--color-glass-border);
    transition: background-color 0.2s ease;
    cursor: pointer;
    position: relative;
}

.file-row:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
}

.file-row.selected {
    background: var(--color-glass-bg-hover);
    border-color: var(--accent-blue);
}

.row-cell {
    display: flex;
    align-items: center;
    padding: 0 8px;
    text-align: left;
}

.row-checkbox {
    width: 20px;
    flex-shrink: 0;
    justify-content: center;
}

.row-thumbnail {
    width: 50px;
    flex-shrink: 0;
    justify-content: center;
}

.file-icon-small {
    font-size: 20px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.row-name {
    flex: 1;
    min-width: 200px;
}

.row-name .file-name {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.row-size {
    width: 100px;
    flex-shrink: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.row-date {
    width: 160px;
    flex-shrink: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.row-type {
    width: 80px;
    flex-shrink: 0;
    justify-content: center;
}

.row-actions {
    width: 180px;
    flex-shrink: 0;
    justify-content: center;
}

/* List Action Buttons */
.list-actions {
    display: flex;
    gap: 2px;
    align-items: center;
    justify-content: center;
}

.list-action-btn {
    background: var(--color-button-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-button-border);
    color: var(--color-text-primary);
    font-size: 14px;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.list-action-btn:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
    transform: translateY(-1px);
}

.list-action-btn.danger:hover {
    background: var(--color-error);
    border-color: var(--color-error);
}

/* List View Header */
.file-list-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--color-glass-bg-heavy);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid var(--color-glass-border);
    font-weight: var(--font-weight-semibold);
    font-size: 14px;
    color: var(--text-primary);
}

.header-cell {
    display: flex;
    align-items: center;
    padding: 0 8px;
    text-align: left;
}

.header-cell.sortable {
    cursor: pointer;
    transition: all var(--transition-fast);
    border-radius: var(--radius-xs);
}

.header-cell.sortable:hover {
    background: var(--color-glass-bg-hover);
}

.header-label {
    user-select: none;
}

/* Video Player Styles */
.video-player-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.video-player {
    width: 100%;
    height: auto;
    max-height: calc(100vh - 150px);
    background-color: var(--color-bg-primary);
    flex: 1;
}

.video-controls {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-black-80);
    color: white;
    min-height: 56px;
    z-index: 10;
    transition: opacity 0.3s ease;
}

.video-player-container .video-control-btn {
    background: var(--color-white-10);
    border: 1px solid var(--color-white-20);
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
}

.video-player-container .video-control-btn:hover {
    background-color: var(--color-white-30);
    transform: scale(1.05);
}

.video-player-container .play-pause-btn {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
    font-weight: bold;
}

.video-player-container .play-pause-btn:hover {
    background-color: var(--color-accent-blue-light);
    border-color: var(--color-accent-blue-light);
}

.video-progress-container {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--color-overlay-dark);
    border-top: 1px solid var(--color-white-10);
}

.video-progress {
    width: 100%;
    height: 6px;
    background-color: var(--color-white-20);
    border-radius: 3px;
    position: relative;
    cursor: pointer;
    overflow: visible;
    transition: height 0.2s ease;
}

.video-progress:hover {
    height: 10px;
}

.video-progress-buffered {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--color-white-40);
    border-radius: 3px;
    width: 0%;
}

.video-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--accent-blue);
    border-radius: 3px;
    transition: width 0.1s ease;
    width: 0%;
}

.video-progress-handle {
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-color: var(--accent-blue);
    border: 2px solid white;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: grab;
    box-shadow: var(--shadow-sm);
}

.video-progress:hover .video-progress-handle {
    opacity: 1;
}

.video-progress-handle:active {
    cursor: grabbing;
    transform: translateY(-50%) scale(1.2);
}

.video-progress-hover {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--color-white-70);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.video-progress:hover .video-progress-hover {
    opacity: 1;
}

.video-preview {
    position: absolute;
    bottom: 20px;
    transform: translateX(-50%);
    background-color: var(--color-overlay-heavy);
    border: 1px solid var(--color-white-30);
    border-radius: 4px;
    padding: 4px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 100;
}

.video-progress:hover .video-preview {
    opacity: 1;
}

.video-preview-canvas {
    width: 160px;
    height: 90px;
    display: block;
    border-radius: 2px;
}

.video-preview-time {
    display: block;
    text-align: center;
    color: white;
    font-size: 11px;
    margin-top: 4px;
    font-family: var(--font-mono);
}

.video-progress-thumb {
    position: absolute;
    top: 50%;
    right: -6px;
    width: 12px;
    height: 12px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.video-progress:hover .video-progress-thumb {
    opacity: 1;
}

.video-time {
    font-size: 14px;
    font-family: var(--font-mono);
    color: white;
    white-space: nowrap;
    min-width: 100px;
    text-align: center;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.video-controls .volume-slider {
    width: 80px;
    height: 4px;
    background-color: var(--color-white-30);
    border-radius: 2px;
    outline: none;
    appearance: none;
    cursor: pointer;
}

.video-controls .volume-slider::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
}

.video-controls .volume-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background-color: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.video-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 20;
}

/* Duplicate removed - defined earlier */

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Video Caption Styles */
.video-player::cue {
    background-color: rgba(0, 0, 0, 0.85);
    color: white;
    font-size: 1.1em;
    font-family: Arial, sans-serif;
    line-height: 1.4;
    padding: 0.2em 0.5em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.9);
}

/* Ensure captions are positioned properly */
.video-player::cue-region {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
}

/* Caption button active state */
.video-player-container .captions-btn[style*="opacity: 1"] {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* Responsive adjustments for video player */
@media (max-width: 768px) {
    .video-controls {
        gap: 8px;
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .video-player-container .video-control-btn {
        min-width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .volume-control {
        display: none;
    }

    .video-time {
        font-size: 12px;
        min-width: 80px;
    }

    /* Make captions larger on mobile */
    .video-player::cue {
        font-size: 1.3em;
    }
}

/* Audio Player Styles */
.audio-progress-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.audio-progress {
    width: 100%;
    height: 6px;
    background-color: var(--color-white-20);
    border-radius: 3px;
    overflow: visible;
    cursor: pointer;
    position: relative;
    transition: height 0.2s ease;
    margin-bottom: 8px;
}

.audio-progress:hover {
    height: 10px;
}

.audio-progress-buffered {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--color-white-10);
    border-radius: 3px;
    width: 0%;
}

.audio-progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--accent-blue);
    border-radius: 3px;
    transition: width 0.1s ease;
    width: 0%;
}

.audio-progress-handle {
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background-color: rgba(10, 12, 16, 0.95);
    border-radius: 50%;
    cursor: grab;
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.audio-progress:hover .audio-progress-handle {
    opacity: 1;
}

.audio-progress-handle:active {
    cursor: grabbing;
    transform: translateY(-50%) scale(1.2);
}

.audio-progress-hover {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--color-white-40);
    display: none;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.audio-progress:hover .audio-progress-hover {
    opacity: 1;
}

.audio-preview-time {
    position: absolute;
    bottom: 16px;
    background-color: var(--color-black-80);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-family: var(--font-mono);
    display: none;
    pointer-events: none;
    white-space: nowrap;
}

.audio-time-display {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* Enhanced Volume Slider for Audio Player */
.audio-controls .volume-slider-container {
    position: relative;
    width: 80px;
    height: 4px;
    background-color: var(--color-white-30);
    border-radius: 2px;
    display: inline-block;
    vertical-align: middle;
}

.audio-controls .volume-slider-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue) 0%, var(--color-accent-blue-light) 100%);
    border-radius: 2px;
    width: 100%;
    pointer-events: none;
    transition: width 0.1s ease;
}

.audio-controls .volume-slider {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    height: 20px;
    background: transparent;
    outline: none;
    appearance: none;
    cursor: pointer;
    margin: 0;
    z-index: 2;
}

.audio-controls .volume-slider::-webkit-slider-thumb {
    appearance: none;
    width: 14px;
    height: 14px;
    background-color: rgba(10, 12, 16, 0.95);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.audio-controls .volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.audio-controls .volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background-color: rgba(10, 12, 16, 0.95);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease;
}

.audio-controls .volume-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Audio Visualizer Styles */
.audio-visualizer {
    display: block;
}

.audio-icon {
    display: none;
    font-size: 64px;
    color: var(--accent-blue);
}

/* ============================================
   DROPDOWN MENUS & POPOVERS
   ============================================ */

/* Breadcrumb Dropdown Menu */
.breadcrumb-dropdown {
    position: absolute;
    background: var(--color-glass-bg-heavy);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    z-index: var(--z-dropdown);
}

.breadcrumb-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.breadcrumb-menu-item {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-input-bg);
    color: var(--color-text-primary);
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
}

.breadcrumb-menu-item:hover {
    background: var(--color-glass-bg-hover);
    transform: translateX(2px);
}

.breadcrumb-menu-item:focus-visible {
    outline: 2px solid var(--color-accent-blue);
    outline-offset: -2px;
}

/* Context Menus */
.context-menu {
    position: fixed;
    background: var(--color-glass-bg-heavy);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    z-index: var(--z-dropdown);
    min-width: 180px;
}

.context-menu-item {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    color: var(--color-text-primary);
    cursor: pointer;
    border-radius: var(--radius-xs);
    transition: all var(--transition-fast);
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.context-menu-item:hover {
    background: var(--color-glass-bg-hover);
}

.context-menu-item:focus-visible {
    outline: 2px solid var(--color-accent-blue);
    outline-offset: -2px;
}

.context-menu-separator {
    height: 1px;
    background: var(--color-glass-border);
    margin: var(--spacing-sm) 0;
}

/* Tooltips */
.tooltip {
    position: absolute;
    background: var(--color-glass-bg-heavy);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    z-index: var(--z-tooltip);
    pointer-events: none;
    box-shadow: var(--shadow-md);
}

/* Toast Notifications */
.toast {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--color-glass-bg-heavy);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-lg) var(--spacing-xl);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-notification);
    max-width: 350px;
}

.toast.success {
    border-color: var(--color-success);
    background: rgba(34, 197, 94, 0.1);
}

.toast.error {
    border-color: var(--color-error);
    background: rgba(239, 68, 68, 0.1);
}

.toast.warning {
    border-color: var(--color-warning);
    background: rgba(251, 191, 36, 0.1);
}

.toast.info {
    border-color: var(--color-info);
    background: rgba(59, 130, 246, 0.1);
}

/* ============================================
   VIEWER-ONLY MODE
   ============================================ */

/* Hide file browser in viewer-only mode */
body.viewer-only-mode {
    overflow: hidden;
}

body.viewer-only-mode #file-browser {
    display: none !important;
}

body.viewer-only-mode .toolbar {
    display: none !important;
}

/* Make modal fullscreen in viewer-only mode */
body.viewer-only-mode .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #000;
    padding: 0;
    margin: 0;
}

body.viewer-only-mode .modal-container {
    width: 100vw;
    height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    border-radius: 0;
    border: none;
    margin: 0;
}

body.viewer-only-mode .modal-header {
    display: none !important;
}

body.viewer-only-mode .modal-content {
    height: 100vh;
}

/* ============================================
   UTILITY CLASS OVERRIDES
   ============================================ */

/* Override external p-6 class (Tailwind-like padding utility) */
.p-6 {
    padding: 0 !important;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */

/* Small screens - further reduce button sizes */
@media (max-width: 768px) {
    .list-action-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .row-actions {
        width: 150px;
    }
    
    .list-actions {
        gap: 1px;
    }
}

/* Very small screens - stack actions vertically if needed */
@media (max-width: 480px) {
    .list-action-btn {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }

    .row-actions {
        width: 130px;
    }
}

/* ============================================
   SELECTION TOOLBAR (BULK OPERATIONS)
   ============================================ */

.selection-toolbar {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--color-glass-bg-heavy);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    border: 1px solid var(--color-glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    z-index: var(--z-dropdown);
    min-width: 500px;
    max-width: 90vw;
    opacity: 0;
    transition: all var(--transition-normal);
}

.selection-toolbar.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.selection-toolbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.selection-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.selection-count {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
}

.selection-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.selection-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-button-bg);
    backdrop-filter: blur(var(--blur-sm));
    -webkit-backdrop-filter: blur(var(--blur-sm));
    border: 1px solid var(--color-button-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-ui);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.selection-btn:hover {
    background: var(--color-glass-bg-hover);
    border-color: var(--color-glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.selection-btn:active {
    transform: translateY(0);
}

.selection-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.selection-btn .btn-icon {
    font-size: 16px;
}

.selection-btn.download-btn {
    background: var(--color-accent-blue);
    border-color: var(--color-accent-blue-light);
    color: white;
}

.selection-btn.download-btn:hover {
    background: var(--color-accent-blue-light);
    border-color: var(--color-accent-blue-light);
}

.selection-btn.delete-btn {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--color-error);
    color: var(--color-error);
}

.selection-btn.delete-btn:hover {
    background: var(--color-error);
    border-color: var(--color-error);
    color: white;
}

.selection-btn.clear-btn {
    background: transparent;
    border-color: var(--color-glass-border);
}

.selection-btn.clear-btn:hover {
    background: var(--color-glass-bg-hover);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .selection-toolbar {
        min-width: auto;
        width: calc(100vw - 2 * var(--spacing-lg));
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .selection-toolbar-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .selection-actions {
        width: 100%;
        justify-content: space-between;
    }

    .selection-btn .btn-text {
        display: none;
    }

    .selection-btn {
        padding: var(--spacing-md);
        flex: 1;
        justify-content: center;
    }
}